package view;

import java.io.IOException;
import java.util.Enumeration;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpSessionContext;


public class FiltroAutenticador implements Filter {


	public void destroy() {
		// TODO Auto-generated method stub
	}

	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpServletRequest httpRequest =  (HttpServletRequest) request;	
		HttpServletResponse httpResponse = (HttpServletResponse) response;
		HttpSession session = httpRequest.getSession(true);
		   
		/*
		if (httpRequest.getRequestURL().toString().contains("login.jsp")) //Verificar se na URL possui login.jsp escrito
			chain.doFilter(httpRequest, httpResponse);
		*/
		
		
		if (session.getAttribute("logou") != null && session.getAttribute("logou").equals("sim"))
		  chain.doFilter(httpRequest, httpResponse);
		else
		{ 
					
			httpResponse.sendRedirect(httpRequest.getContextPath() + "/login.jsp");
			chain.doFilter(httpRequest, httpResponse);
		}
		

		
	}

	/**
	 * @see Filter#init(FilterConfig)
	 */

	
	
	public void init(FilterConfig fConfig) throws ServletException {
		// TODO Auto-generated method stub
	}

}